Compilare: user.c: In function ‘readInput’: user.c:21: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result user.c: In function ‘printSolution’: user.c:64: warning: format ‘%d’ expects type ‘int’, but argument 3 has type ‘long long int’ user.c: In function ‘calculateReductibleFractionsCount’: user.c:124: warning: array subscript has type ‘char’ user.c: In function ‘main’: user.c:173: warning: control reaches end of non-void function